Demonstration of mode conversion using anti-symmetric waveguide Bragg gratings

We experimentally demonstrate a novel grating which only produces reflection with mode conversion in a two-mode waveguide. That characteristic can improve the performance of optical devices that currently use tilted Bragg gratings to provide the mode conversion. Tilted Bragg gratings produce also re...

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Bibliographic Details
Published inOptics express Vol. 13; no. 11; pp. 4180 - 4184
Main Authors Castro, Jose, Geraghty, David F, Honkanen, Seppo, Greiner, Christoph M, Iazikov, Dmitri, Mossberg, Thomas W
Format Journal Article
LanguageEnglish
Published United States 30.05.2005
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Summary:We experimentally demonstrate a novel grating which only produces reflection with mode conversion in a two-mode waveguide. That characteristic can improve the performance of optical devices that currently use tilted Bragg gratings to provide the mode conversion. Tilted Bragg gratings produce also reflections without mode conversion which increases noise and crosstalk of the optical device.
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ISSN:1094-4087
1094-4087
DOI:10.1364/opex.13.004180